Perhaps you should try some spelling variations:
communication services » telecommunications services
development yields » development field, developing fields, development levels
179 communication » 19 communication, 1 communication, 10 communication
urban development » human development
technologies 1 » technologies _, technologies 4, technologies 2
services urban » services uday
information 3 » information 2
yields africa » yes africa, seeds africa
der 179 » der 175, der 1890, der 1969
3 der » _ der, 2 der

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 3 der 179 communication services urban development yields africa.*.